113148644 has 36 divisors (see below), whose sum is σ = 231868476. Its totient is φ = 48170304.

The previous prime is 113148631. The next prime is 113148647. The reversal of 113148644 is 446841311.

It can be written as a sum of positive squares in 2 ways, for example, as 62568100 + 50580544 = 7910^2 + 7112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113148644.

It is not an unprimeable number, because it can be changed into a prime (113148647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28934 + ... + 32610.

It is an arithmetic number, because the mean of its divisors is an integer number (6440791).

Almost surely, 2^113148644 is an apocalyptic number.

113148644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113148644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115934238).

113148644 is an abundant number, since it is smaller than the sum of its proper divisors (118719832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113148644 is a wasteful number, since it uses less digits than its factorization.

113148644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852 (or 3843 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 113148644 is about 10637.1351406288. The cubic root of 113148644 is about 483.6707058212.

Adding to 113148644 its reverse (446841311), we get a palindrome (559989955).

The spelling of 113148644 in words is "one hundred thirteen million, one hundred forty-eight thousand, six hundred forty-four".